BCM53DSF

{
  "schema_version": 1,
  "type": "component",
  "slug": "bcm53dsf",
  "title": "BCM53DSF",
  "brief": "Nexperia Bipolar (BJT), TSOP-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "bcm53dsf",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "BCM53DSF",
    "manufacturer": "Nexperia",
    "package": "TSOP-6",
    "pin_count": 6,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912962602217472",
    "parts": {
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      "footprint": "bcm53dsf.kicad_mod",
      "model_3d": "bcm53dsf-hero.glb",
      "model_3d_plain": "bcm53dsf.glb",
      "model_3d_step": "bcm53dsf-etched.step",
      "model_3d_step_plain": "bcm53dsf.step",
      "lbr": "bcm53dsf.lbr"
    },
    "distributor_links": {
      "lcsc": "C549552",
      "digikey": "1727-7828-2-ND",
      "mouser": "771-BCM53DSF"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T09:49:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1727-7828-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "771-BCM53DSF",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "B1",
        "type": "input",
        "description": "Base of transistor TR1; the datasheet limits base current to IBlim -0.2 A and peak base current IBM to -0.3 A (single pulse, tp ≤ 1 ms)."
      },
      {
        "number": "2",
        "name": "B2",
        "type": "input",
        "description": "Base of transistor TR2; the datasheet limits base current to IBlim -0.2 A and peak base current IBM to -0.3 A (single pulse, tp ≤ 1 ms)."
      },
      {
        "number": "3",
        "name": "C2",
        "type": "passive",
        "description": "Collector of transistor TR2; the datasheet limits collector-base voltage VCBO to -100 V, collector current IC to -1 A and peak collector current ICM to -2 A (single pulse, tp ≤ 1 ms)."
      },
      {
        "number": "4",
        "name": "E2",
        "type": "passive",
        "description": "Emitter of transistor TR2; the datasheet limits emitter-base voltage VEBO to -5 V."
      },
      {
        "number": "5",
        "name": "E1",
        "type": "passive",
        "description": "Emitter of transistor TR1; the datasheet limits emitter-base voltage VEBO to -5 V."
      },
      {
        "number": "6",
        "name": "C1",
        "type": "passive",
        "description": "Collector of transistor TR1; the datasheet limits collector-base voltage VCBO to -100 V, collector current IC to -1 A and peak collector current ICM to -2 A (single pulse, tp ≤ 1 ms)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet's Table 2 gives pin names and functions (base, collector, emitter) but no electrical p; Ordering information lists only the TSOP6 (SOT457) package for BCM53DS, so the pinout above applies "
        ],
        "pages_sent": 13,
        "cost_usd": 0.0569,
        "at": "2026-10-09T09:47:37"
      },
      "datasheet": {
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        "pages": 13,
        "sha256": "f97102044ba675c5",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "1c9b13e7787bad69d987f81501759be5faaee754f4ad55aa7da0fc2259cdb0ff",
        "checked": "2026-10-09",
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  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "TSOP-6",
      "Category": "Transistors/Thyristors",
      "Pins": "6"
    },
    "characteristics": {
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          "typ": null,
          "max": -100,
          "conditions": "open emitter",
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        },
        {
          "name": "collector-emitter voltage",
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        },
        {
          "name": "emitter-base voltage",
          "symbol": "VEBO",
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        },
        {
          "name": "collector current",
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          "unit": "A",
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        },
        {
          "name": "peak collector current",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -2,
          "conditions": "single pulse; tp ≤ 1 ms",
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        {
          "name": "limiting base current",
          "symbol": "IBlim",
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          "name": "total power dissipation (per transistor)",
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          "conditions": "Tamb ≤ 25 °C [1]",
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        {
          "name": "junction temperature",
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          "unit": "°C",
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        {
          "name": "ambient temperature",
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          "min": -55,
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          "min": -65,
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          "conditions": "",
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        },
        {
          "name": "thermal resistance from junction to ambient (per transistor)",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
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        {
          "name": "thermal resistance from junction to solder point (per transistor)",
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          "kind": "thermal",
          "unit": "K/W",
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        {
          "name": "thermal resistance from junction to ambient (per device)",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
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          "conditions": "in free air; [2] FR4 PCB, single-sided copper, tin-plated; mounting pad for collector 1 cm2",
          "source_page": 4,
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        },
        {
          "name": "collector-base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "IC = -100 µA; IE = 0 A",
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        {
          "name": "collector-emitter breakdown voltage",
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          "kind": "electrical",
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          "min": -80,
          "typ": null,
          "max": null,
          "conditions": "IC = -2 mA; IB = 0 A",
          "source_page": 6,
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        {
          "name": "emitter-base breakdown voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": null,
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        {
          "name": "collector-base cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VCB = -30 V; IE = 0 A; Tamb = 25 °C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "collector-base cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -10,
          "conditions": "VCB = -30 V; IE = 0 A; Tj = 150 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "emitter-base cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VEB = -5 V; IC = 0 A; Tamb = 25 °C",
          "source_page": 6,
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        },
        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 63,
          "typ": null,
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          "conditions": "VCE = -5 V; IC = -2 mA; Tamb = 25 °C",
          "source_page": 6,
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        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
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          "conditions": "VCE = -2 V; IC = -150 mA; Tamb = 25 °C [1]",
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          "source": "datasheet"
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        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
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          "conditions": "VCE = -2 V; IC = -500 mA; Tamb = 25 °C [1]",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "collector-emitter saturation voltage",
          "symbol": "VCEsat",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": -500,
          "conditions": "IC = -500 mA; IB = -50 mA; Tamb = 25 °C [1]",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "base-emitter voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": -1,
          "conditions": "VCE = -2 V; IC = -500 mA; Tamb = 25 °C [1]",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
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          "typ": 140,
          "max": null,
          "conditions": "VCE = -5 V; IC = -50 mA; f = 100 MHz; Tamb = 25 °C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "DC current gain matching",
          "symbol": "hFE1/hFE2",
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          "unit": "",
          "min": 0.95,
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          "max": 1.05,
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        {
          "name": "base-emitter voltage matching",
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          "unit": "mV",
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          "max": 2,
          "conditions": "VCE = -5 V; IC = -2 mA; Tamb = 25 °C",
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          "source": "datasheet"
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      ]
    }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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